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Lipids

Lipids

Author: Aaron Mullally
Description:

This lesson will explain the structure of lipids as well as discuss their function in our bodies.

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Tutorial

Video Images: Myristic acid image, Public Domain: http://bit.ly/TBfROt; Arachidonic acid, Public Domain: http://bit.ly/QBj5qM; Triglyceride image, Public Domain: http://bit.ly/VX7TG8; Phospholipid image, Public Domain: http://bit.ly/W3srZ7; Cholesterol image, Public Domain: http://bit.ly/TBfJyG

Terms to Know
Fat

A lipid made of a glycerol molecule and a fatty acid side chain

Lipid

An organic molecule made up of glycerol and fatty acids, which is non-polar and does not dissolve easily in water

Nonpolar

Does not dissolve easily in water

Phospholipid

A type of lipid made up of a hydrophilic head and hydrophobic tail, and is found in cell membranes

Trans Fat

​A type of unsaturated fat which is unhealthy and may lead to health problems

Triglyceride

​A type of lipid which is made up of a glycerol molecule and three fatty acid side chains

​Saturated Fat

A type of fat which does not have double bonds in its side chain

​Sterol

​A type of lipid containing only a glycerol molecule

​Unsaturated Fat

​A type of fat which has double bonds in its side chain